Apr 15, 2026 · 7 min read
PFAS "Forever Chemicals" in US Drinking Water: 2026 Update
PFAS contamination affects an estimated 200 million Americans. Here's what the latest EPA enforcement means for your tap water.
ZIP Code 70433 Water Quality
Louisiana · 52,627 people served · 16 water systems
F
FailingZIP code 70433 is in Louisiana and is a mid-sized community from a drinking-water-service perspective, with 52,627 people served by 16 EPA-registered public water systems. It corresponds to COVINGTON.
Within ZIP code 70433, the EPA Safe Drinking Water Information System (SDWIS) records 15 health-based violations during the past five years across 16 water systems serving this postal area. The grade of F reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
Loading map...
Cities in ZIP 70433
Water Systems Serving 70433
ST TAM PARISH -NORTHRIDGE ESTATES
PWSID: LA1103181
1,653 served
ST TAM PARISH - ALTON
PWSID: LA1103145
499 served
ST TAM PARISH-MADISONVILLE WOODS
PWSID: LA1103147
87 served
ST TAM PARISH- BEDICO -FAUBOURG-COQUILLE
PWSID: LA1103149
18,372 served
ST TAM PARISH - ST GERTRUDE
PWSID: LA1103154
72 served
ST TAM PARISH - NORTHLAKE BEHAVIORAL
PWSID: LA1103039
480 served
ST TAM PARISH - CROSS GATES SD
PWSID: LA1103053
8,037 served
ST TAM PARISH - BRIARWOOD TERRACE
PWSID: LA1103079
17,536 served
ST TAM PARISH PINELAND PARK SUBD
PWSID: LA1103093
2,500 served
ST TAM PARISH- BEN THOMAS RD
PWSID: LA1103105
220 served
ST TAM PARISH - LAKE HILLS VILLAGE
PWSID: LA1103128
88 served
ST TAM PARISH - RIVER OAKS
PWSID: LA1103180
933 served
ST TAM PARISH SALVATION MANOR ST JOE
PWSID: LA1103184
171 served
ST TAM PARISH - TAMANEND
PWSID: LA1103199
125 served
ST TAM PARISH - ABITA LAKES
PWSID: LA1103173
609 served
TCHEFUNCTA CLUB ESTATES
PWSID: LA1103043
1,245 served
About ZIP-code water data
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
From the Blog
Photo by Bluewater Sweden on Unsplash
Mar 22, 2026 · 6 min read
How to Read Your Annual Water Quality Report (CCR)
Your water utility is legally required to send you a Consumer Confidence Report every year. Here's how to actually understand it.
Photo by Louis Hansel on Unsplash
Mar 5, 2026 · 9 min read
Lead in Tap Water: The Complete 2026 Guide
Lead enters drinking water through old pipes and fixtures. Here's how to identify your risk and what to do about it.
Photo by Eduardo Casajús Gorostiaga on Unsplash
Feb 18, 2026 · 5 min read
What Is an EPA Maximum Contaminant Level (MCL)?
MCLs are the foundation of US drinking water safety. Here's how they're set and what they mean for your tap.
Photo by Naja Bertolt Jensen on Unsplash
